Coarse side (abrasiveness 240) for edge restoration Medium side (1000) for edge finishing Comes with a rubber base to hold the whetstone and prevent slipping Dimensions: 185 x 62 x 24mm Made in Japan Product features synthetic stone medium grain 240/1000 rubber pad for easy sharpening need to soak before use dedicated to damaged, chipped knives (240) and for basic sharpening (1000) recommended sharpening time 10 min
